Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 12 - Data Analysis and Probability - 12-8 Probability of Compound Events - Practice and Problem-Solving Exercises - Page 780: 11



Work Step by Step

To find the probability of either of the two events occurring, we add the probability of either event occurring and then subtract the probability that both events will occur. This gives: $$1/10+5/10-1/10$$ $$5/10$$ $$1/2$$
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